But the later, the second half the 20th century, it had a new Palestinian political movement established by the Palestine Liberation Organization, PLO the PLO.

而之后，20世纪后半叶，有新的巴勒斯坦政治运动,是由巴解组织开始的，也就是。

普林斯顿公开课 - 人性课程节选

Now, a little later, and a little later later, because between the first and second, you get a velocity, the second and third you get another velocity.

现在,再晚一点,再再晚一点,因为第一个和第二个位置,你得到一个速度,第二个和第三个位置,你得到另一个速度

耶鲁公开课 - 基础物理课程节选